9 Troubleshooting
9 - 2
NX-series Safety Control Unit User’s Manual (Z930)
9-1 Checking for Errors
You can check to see if an error has occurred in the Safety Control Units with the following methods.
Checking method What you can check
Checking the indicators Operating status of the NJ/NX-series CPU Unit, Safety CPU
Unit, and Safety I/O Units
Checking with the troubleshooting function of
the Sysmac Studio
Current errors in the Safety CPU Unit and Safety I/O Units,
error logs in the Safety CPU Unit and Safety I/O Units, and
the sources, causes, and corrections for errors